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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-11 23:22:22 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-11 23:22:22 +0300 |
| commit | de34f4da7f62ff59ac6e1ef320b0fcfa3296fce3 (patch) | |
| tree | 88b5db2fc7fbbb0353edd8447a832a5225a49d01 /Documentation/media/uapi/v4l/func-select.rst | |
| parent | 56e520c7a0a490b63b042b047ec9659fc08762a4 (diff) | |
| parent | 9fce0c226536fc36c7fb0a80000ca38a995be43e (diff) | |
| download | linux-de34f4da7f62ff59ac6e1ef320b0fcfa3296fce3.tar.xz | |
Merge tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Documentation improvements: conversion of all non-DocBook documents
to Sphinx and lots of fixes to the uAPI media book
- New PCI driver for Techwell TW5864 media grabber boards
- New SoC driver for ATMEL Image Sensor Controller
- Removal of some obsolete SoC drivers (s5p-tv driver and soc_camera
drivers)
- Addition of ST CEC driver
- Lots of drivers fixes, improvements and additions
* tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (464 commits)
[media] ttusb_dec: avoid the risk of go past buffer
[media] cx23885: Fix some smatch warnings
[media] si2165: switch to regmap
[media] si2165: use i2c_client->dev instead of i2c_adapter->dev for logging
[media] si2165: Remove legacy attach
[media] cx231xx: attach si2165 driver via i2c_client
[media] cx231xx: Prepare for attaching new style i2c_client DVB demod drivers
[media] cx23885: attach si2165 driver via i2c_client
[media] si2165: support i2c_client attach
[media] si2165: avoid division by zero
[media] rcar-vin: add R-Car gen2 fallback compatibility string
[media] lgdt3306a: remove 20*50 msec unnecessary timeout
[media] cx25821: Remove deprecated create_singlethread_workqueue
[media] cx25821: Drop Freeing of Workqueue
[media] cxd2841er: force 8MHz bandwidth for DVB-C if specified bw not supported
[media] redrat3: hardware-specific parameters
[media] redrat3: remove hw_timeout member
[media] cxd2841er: BER and SNR reading for ISDB-T
[media] dvb-usb: avoid link error with dib3000m{b,c|
[media] dvb-usb: split out common parts of dibusb
...
Diffstat (limited to 'Documentation/media/uapi/v4l/func-select.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/func-select.rst | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/Documentation/media/uapi/v4l/func-select.rst b/Documentation/media/uapi/v4l/func-select.rst index 7798384ae396..002dedba2666 100644 --- a/Documentation/media/uapi/v4l/func-select.rst +++ b/Documentation/media/uapi/v4l/func-select.rst @@ -22,12 +22,26 @@ Synopsis #include <unistd.h> -.. cpp:function:: int select( int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout ) - +.. c:function:: int select( int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout ) + :name: v4l2-select Arguments ========= +``nfds`` + The highest-numbered file descriptor in any of the three sets, plus 1. + +``readfds`` + File descriptions to be watched if a read() call won't block. + +``writefds`` + File descriptions to be watched if a write() won't block. + +``exceptfds`` + File descriptions to be watched for V4L2 events. + +``timeout`` + Maximum time to wait. Description |